結果
問題 | No.1254 補強への架け橋 |
ユーザー | persimmon-persimmon |
提出日時 | 2021-02-23 13:23:30 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 685 ms / 2,000 ms |
コード長 | 671 bytes |
コンパイル時間 | 2,090 ms |
コンパイル使用メモリ | 81,608 KB |
実行使用メモリ | 236,692 KB |
最終ジャッジ日時 | 2023-10-22 07:47:40 |
合計ジャッジ時間 | 26,648 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge12 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 39 ms
53,556 KB |
testcase_01 | AC | 38 ms
53,556 KB |
testcase_02 | AC | 37 ms
53,556 KB |
testcase_03 | AC | 38 ms
53,556 KB |
testcase_04 | AC | 38 ms
53,556 KB |
testcase_05 | AC | 37 ms
53,556 KB |
testcase_06 | AC | 38 ms
53,556 KB |
testcase_07 | AC | 39 ms
53,556 KB |
testcase_08 | AC | 38 ms
53,556 KB |
testcase_09 | AC | 38 ms
53,556 KB |
testcase_10 | AC | 38 ms
53,556 KB |
testcase_11 | AC | 38 ms
53,556 KB |
testcase_12 | AC | 38 ms
53,556 KB |
testcase_13 | AC | 39 ms
53,560 KB |
testcase_14 | AC | 39 ms
53,556 KB |
testcase_15 | AC | 39 ms
53,556 KB |
testcase_16 | AC | 37 ms
53,556 KB |
testcase_17 | AC | 38 ms
53,556 KB |
testcase_18 | AC | 37 ms
53,556 KB |
testcase_19 | AC | 38 ms
53,556 KB |
testcase_20 | AC | 38 ms
53,556 KB |
testcase_21 | AC | 37 ms
53,560 KB |
testcase_22 | AC | 38 ms
53,556 KB |
testcase_23 | AC | 39 ms
53,556 KB |
testcase_24 | AC | 39 ms
53,556 KB |
testcase_25 | AC | 38 ms
53,556 KB |
testcase_26 | AC | 38 ms
53,560 KB |
testcase_27 | AC | 39 ms
53,556 KB |
testcase_28 | AC | 39 ms
53,560 KB |
testcase_29 | AC | 39 ms
53,560 KB |
testcase_30 | AC | 38 ms
53,556 KB |
testcase_31 | AC | 38 ms
53,556 KB |
testcase_32 | AC | 37 ms
53,556 KB |
testcase_33 | AC | 39 ms
53,560 KB |
testcase_34 | AC | 39 ms
53,560 KB |
testcase_35 | AC | 39 ms
53,556 KB |
testcase_36 | AC | 39 ms
53,560 KB |
testcase_37 | AC | 38 ms
53,560 KB |
testcase_38 | AC | 39 ms
53,560 KB |
testcase_39 | AC | 38 ms
53,556 KB |
testcase_40 | AC | 39 ms
53,556 KB |
testcase_41 | AC | 38 ms
53,560 KB |
testcase_42 | AC | 39 ms
53,556 KB |
testcase_43 | AC | 70 ms
63,776 KB |
testcase_44 | AC | 42 ms
55,612 KB |
testcase_45 | AC | 42 ms
55,612 KB |
testcase_46 | AC | 52 ms
63,592 KB |
testcase_47 | AC | 44 ms
55,612 KB |
testcase_48 | AC | 50 ms
61,544 KB |
testcase_49 | AC | 39 ms
53,564 KB |
testcase_50 | AC | 58 ms
65,948 KB |
testcase_51 | AC | 55 ms
63,784 KB |
testcase_52 | AC | 56 ms
65,840 KB |
testcase_53 | AC | 58 ms
63,596 KB |
testcase_54 | AC | 55 ms
63,784 KB |
testcase_55 | AC | 54 ms
63,788 KB |
testcase_56 | AC | 40 ms
53,564 KB |
testcase_57 | AC | 49 ms
60,928 KB |
testcase_58 | AC | 49 ms
60,928 KB |
testcase_59 | AC | 39 ms
53,564 KB |
testcase_60 | AC | 42 ms
55,616 KB |
testcase_61 | AC | 54 ms
63,596 KB |
testcase_62 | AC | 40 ms
53,568 KB |
testcase_63 | AC | 104 ms
76,972 KB |
testcase_64 | AC | 86 ms
77,316 KB |
testcase_65 | AC | 103 ms
77,504 KB |
testcase_66 | AC | 111 ms
78,020 KB |
testcase_67 | AC | 89 ms
77,620 KB |
testcase_68 | AC | 95 ms
77,128 KB |
testcase_69 | AC | 106 ms
77,516 KB |
testcase_70 | AC | 89 ms
77,180 KB |
testcase_71 | AC | 89 ms
77,288 KB |
testcase_72 | AC | 97 ms
76,944 KB |
testcase_73 | AC | 86 ms
77,168 KB |
testcase_74 | AC | 103 ms
77,472 KB |
testcase_75 | AC | 101 ms
77,300 KB |
testcase_76 | AC | 69 ms
70,936 KB |
testcase_77 | AC | 102 ms
77,300 KB |
testcase_78 | AC | 126 ms
80,948 KB |
testcase_79 | AC | 100 ms
76,948 KB |
testcase_80 | AC | 104 ms
77,516 KB |
testcase_81 | AC | 97 ms
76,936 KB |
testcase_82 | AC | 102 ms
76,956 KB |
testcase_83 | AC | 407 ms
126,456 KB |
testcase_84 | AC | 355 ms
121,760 KB |
testcase_85 | AC | 217 ms
103,564 KB |
testcase_86 | AC | 313 ms
114,756 KB |
testcase_87 | AC | 308 ms
118,108 KB |
testcase_88 | AC | 131 ms
83,036 KB |
testcase_89 | AC | 336 ms
121,024 KB |
testcase_90 | AC | 246 ms
104,732 KB |
testcase_91 | AC | 232 ms
100,108 KB |
testcase_92 | AC | 155 ms
88,144 KB |
testcase_93 | AC | 265 ms
111,380 KB |
testcase_94 | AC | 304 ms
111,492 KB |
testcase_95 | AC | 310 ms
111,260 KB |
testcase_96 | AC | 388 ms
122,584 KB |
testcase_97 | AC | 193 ms
95,632 KB |
testcase_98 | AC | 330 ms
119,080 KB |
testcase_99 | AC | 242 ms
103,836 KB |
testcase_100 | AC | 298 ms
121,264 KB |
testcase_101 | AC | 151 ms
87,244 KB |
testcase_102 | AC | 124 ms
81,852 KB |
testcase_103 | AC | 153 ms
87,888 KB |
testcase_104 | AC | 184 ms
92,996 KB |
testcase_105 | AC | 273 ms
111,320 KB |
testcase_106 | AC | 207 ms
98,564 KB |
testcase_107 | AC | 375 ms
122,980 KB |
testcase_108 | AC | 328 ms
120,596 KB |
testcase_109 | AC | 324 ms
115,004 KB |
testcase_110 | AC | 238 ms
107,940 KB |
testcase_111 | AC | 325 ms
115,080 KB |
testcase_112 | AC | 182 ms
91,480 KB |
testcase_113 | AC | 273 ms
108,548 KB |
testcase_114 | AC | 219 ms
97,876 KB |
testcase_115 | AC | 136 ms
83,484 KB |
testcase_116 | AC | 255 ms
101,340 KB |
testcase_117 | AC | 191 ms
91,764 KB |
testcase_118 | AC | 287 ms
114,680 KB |
testcase_119 | AC | 267 ms
105,112 KB |
testcase_120 | AC | 310 ms
117,704 KB |
testcase_121 | AC | 166 ms
89,432 KB |
testcase_122 | AC | 181 ms
92,848 KB |
testcase_123 | AC | 37 ms
53,568 KB |
testcase_124 | AC | 673 ms
236,504 KB |
testcase_125 | AC | 685 ms
236,692 KB |
ソースコード
import sys sys.setrecursionlimit(10**7) n=int(input()) ab=[list(map(int,input().split())) for _ in range(n)] g=[[] for _ in range(n)] for i,(a,b) in enumerate(ab): a,b=a-1,b-1 g[a].append([b,i]) g[b].append([a,i]) seen=[[None,None] for _ in range(n)] # seen[i]:[j,v]=[橋jをつかい、島vからきた] todo=[[0,-1]] def func(v,p): for nv,i in g[v]: if nv==p:continue if seen[nv][0] is not None: ans=1 ary=[i+1] now=v while now!=nv: i,now=seen[now] ary.append(i+1) ans+=1 print(ans) print(*ary) exit() else: seen[nv]=[i,v] func(nv,v) seen[nv]=[None,None] func(0,-1)